/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:05:14,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:05:14,360 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:05:14,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:05:14,408 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:05:14,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:05:14,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:05:14,420 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:05:14,424 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:05:14,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:05:14,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:05:14,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:05:14,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:05:14,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:05:14,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:05:14,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:05:14,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:05:14,438 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:05:14,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:05:14,447 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:05:14,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:05:14,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:05:14,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:05:14,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:05:14,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:05:14,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:05:14,460 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:05:14,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:05:14,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:05:14,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:05:14,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:05:14,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:05:14,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:05:14,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:05:14,470 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:05:14,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:05:14,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:05:14,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:05:14,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:05:14,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:05:14,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:05:14,475 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 12:05:14,525 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:05:14,525 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:05:14,528 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:05:14,528 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:05:14,528 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:05:14,529 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:05:14,529 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:05:14,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:05:14,529 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:05:14,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:05:14,531 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:05:14,531 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:05:14,531 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:05:14,532 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:05:14,532 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:05:14,532 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:05:14,532 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:05:14,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:05:14,533 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:05:14,533 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:05:14,533 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:05:14,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:05:14,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:05:14,534 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:05:14,534 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:05:14,534 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:05:14,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:05:14,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:05:14,535 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:05:14,535 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:05:15,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:05:15,569 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:05:15,574 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:05:15,576 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:05:15,577 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:05:15,579 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product07.cil.c [2020-09-21 12:05:15,675 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/418e77171/28b405686e674f529b30571d57cd4ba0/FLAG66f88cf7a [2020-09-21 12:05:16,299 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:05:16,300 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product07.cil.c [2020-09-21 12:05:16,317 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/418e77171/28b405686e674f529b30571d57cd4ba0/FLAG66f88cf7a [2020-09-21 12:05:16,589 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/418e77171/28b405686e674f529b30571d57cd4ba0 [2020-09-21 12:05:16,604 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:05:16,608 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:05:16,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:05:16,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:05:16,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:05:16,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:05:16" (1/1) ... [2020-09-21 12:05:16,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ceb0903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:16, skipping insertion in model container [2020-09-21 12:05:16,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:05:16" (1/1) ... [2020-09-21 12:05:16,631 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:05:16,707 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:05:17,079 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:05:17,182 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:05:17,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:05:17,312 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:05:17,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:17 WrapperNode [2020-09-21 12:05:17,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:05:17,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:05:17,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:05:17,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:05:17,329 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:17" (1/1) ... [2020-09-21 12:05:17,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:17" (1/1) ... [2020-09-21 12:05:17,354 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:17" (1/1) ... [2020-09-21 12:05:17,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:17" (1/1) ... [2020-09-21 12:05:17,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:17" (1/1) ... [2020-09-21 12:05:17,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:17" (1/1) ... [2020-09-21 12:05:17,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:17" (1/1) ... [2020-09-21 12:05:17,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:05:17,422 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:05:17,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:05:17,422 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:05:17,423 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:17" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:05:17,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:05:17,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:05:17,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:05:17,523 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:05:17,523 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:05:17,524 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:05:17,524 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:05:17,524 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:05:17,526 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:05:17,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-21 12:05:17,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:05:17,526 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:05:17,526 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 12:05:17,526 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:05:17,527 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:05:17,528 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:05:17,528 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:05:17,528 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:05:17,528 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:05:17,528 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 12:05:17,528 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:05:17,529 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:05:17,529 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:05:17,529 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:05:17,529 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:05:17,530 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:05:17,530 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:05:17,531 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:05:17,532 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:05:17,532 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:05:17,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:05:17,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:05:17,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:05:17,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:05:17,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:05:17,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:05:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:05:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:05:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:05:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:05:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:05:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:05:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:05:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:05:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:05:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:05:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:05:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:05:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-21 12:05:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:05:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:05:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:05:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:05:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 12:05:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:05:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 12:05:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:05:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:05:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:05:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:05:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:05:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:05:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:05:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:05:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:05:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:05:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:05:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:05:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:05:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:05:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:05:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:05:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:05:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:05:17,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:05:17,543 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:05:17,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:05:17,543 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:05:17,544 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:05:17,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:05:17,544 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:05:17,544 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:05:17,545 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:05:17,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:05:17,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:05:17,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:05:18,591 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:05:18,592 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:05:18,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:05:18 BoogieIcfgContainer [2020-09-21 12:05:18,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:05:18,599 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:05:18,600 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:05:18,603 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:05:18,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:05:16" (1/3) ... [2020-09-21 12:05:18,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65fd5bda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:05:18, skipping insertion in model container [2020-09-21 12:05:18,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:17" (2/3) ... [2020-09-21 12:05:18,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65fd5bda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:05:18, skipping insertion in model container [2020-09-21 12:05:18,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:05:18" (3/3) ... [2020-09-21 12:05:18,608 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product07.cil.c [2020-09-21 12:05:18,620 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:05:18,631 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:05:18,654 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:05:18,686 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:05:18,687 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:05:18,687 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:05:18,687 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:05:18,687 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:05:18,687 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:05:18,687 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:05:18,688 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:05:18,715 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states. [2020-09-21 12:05:18,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 12:05:18,727 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:05:18,728 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:05:18,729 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:05:18,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:05:18,737 INFO L82 PathProgramCache]: Analyzing trace with hash 1594153299, now seen corresponding path program 1 times [2020-09-21 12:05:18,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:05:18,749 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1458147541] [2020-09-21 12:05:18,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:05:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:19,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:19,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:20,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:20,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 12:05:20,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:05:20,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1038 [2020-09-21 12:05:20,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:20,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:20,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 12:05:20,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:20,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-21 12:05:20,527 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:05:20,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:05:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:20,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:20,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:20,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:20,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:20,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-21 12:05:20,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:20,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:20,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:20,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:20,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:20,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:05:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:20,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:20,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:20,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:20,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:20,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:20,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:20,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:20,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:20,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:20,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:20,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:05:20,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:20,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:20,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:20,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:20,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:20,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:20,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:20,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:20,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:20,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:20,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:20,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:05:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:20,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:20,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:20,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:20,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:20,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:05:20,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:20,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:20,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:20,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:20,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:20,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:05:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:20,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:20,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:20,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:20,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:20,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 12:05:20,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:20,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:20,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:20,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:20,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:20,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 12:05:20,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:20,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:20,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:20,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:20,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:20,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:05:20,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:20,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:20,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:20,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:20,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:20,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:05:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:20,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:20,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:20,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:20,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:20,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:05:20,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:20,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:20,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:20,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:20,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:20,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:05:20,717 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1458147541] [2020-09-21 12:05:20,719 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:05:20,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:05:20,721 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774868359] [2020-09-21 12:05:20,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 12:05:20,729 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:05:20,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 12:05:20,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:05:20,751 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 3 states. [2020-09-21 12:05:21,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:05:21,816 INFO L93 Difference]: Finished difference Result 251 states and 336 transitions. [2020-09-21 12:05:21,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 12:05:21,819 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 12:05:21,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:05:21,836 INFO L225 Difference]: With dead ends: 251 [2020-09-21 12:05:21,836 INFO L226 Difference]: Without dead ends: 137 [2020-09-21 12:05:21,842 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:05:21,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-09-21 12:05:21,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 105. [2020-09-21 12:05:21,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-09-21 12:05:21,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 124 transitions. [2020-09-21 12:05:21,933 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 124 transitions. Word has length 46 [2020-09-21 12:05:21,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:05:21,934 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 124 transitions. [2020-09-21 12:05:21,934 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 12:05:21,934 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 124 transitions. [2020-09-21 12:05:21,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 12:05:21,938 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:05:21,938 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:05:21,938 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:05:21,939 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:05:21,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:05:21,939 INFO L82 PathProgramCache]: Analyzing trace with hash -2039771295, now seen corresponding path program 1 times [2020-09-21 12:05:21,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:05:21,940 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1785778055] [2020-09-21 12:05:21,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:05:21,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:22,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:22,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:22,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:23,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:23,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 12:05:23,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:05:23,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1189 [2020-09-21 12:05:23,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:23,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:23,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 12:05:23,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:05:23,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:23,533 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:05:23,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:05:23,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:23,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:23,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:23,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:23,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:23,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-21 12:05:23,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:23,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:23,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:23,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:23,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:23,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:05:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:23,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:23,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:23,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:23,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:23,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:23,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:23,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:23,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:23,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:23,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:23,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:05:23,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:23,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:23,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:23,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:23,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:23,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:23,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:23,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:23,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:23,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:23,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:23,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:05:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:23,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:23,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:23,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:23,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:23,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:23,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:23,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:23,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:23,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:23,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:23,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:05:23,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:23,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:23,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:23,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:23,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:23,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:23,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:23,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:23,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:23,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:23,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:23,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:05:23,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:23,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:23,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:23,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:23,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:23,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:05:23,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:23,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:23,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:23,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:23,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:23,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 12:05:23,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:23,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:23,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:23,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:23,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:23,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:23,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:23,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:23,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:23,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:23,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:23,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:05:23,682 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1785778055] [2020-09-21 12:05:23,683 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:05:23,683 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:05:23,683 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794540462] [2020-09-21 12:05:23,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:05:23,686 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:05:23,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:05:23,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:05:23,687 INFO L87 Difference]: Start difference. First operand 105 states and 124 transitions. Second operand 4 states. [2020-09-21 12:05:24,315 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:05:25,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:05:25,032 INFO L93 Difference]: Finished difference Result 178 states and 219 transitions. [2020-09-21 12:05:25,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:05:25,033 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 12:05:25,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:05:25,036 INFO L225 Difference]: With dead ends: 178 [2020-09-21 12:05:25,036 INFO L226 Difference]: Without dead ends: 121 [2020-09-21 12:05:25,038 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:05:25,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-09-21 12:05:25,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 96. [2020-09-21 12:05:25,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-09-21 12:05:25,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 112 transitions. [2020-09-21 12:05:25,078 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 112 transitions. Word has length 47 [2020-09-21 12:05:25,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:05:25,078 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 112 transitions. [2020-09-21 12:05:25,079 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:05:25,079 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 112 transitions. [2020-09-21 12:05:25,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 12:05:25,081 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:05:25,081 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:05:25,081 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:05:25,082 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:05:25,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:05:25,082 INFO L82 PathProgramCache]: Analyzing trace with hash 790886080, now seen corresponding path program 1 times [2020-09-21 12:05:25,082 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:05:25,083 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1894453353] [2020-09-21 12:05:25,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:05:25,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:25,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:25,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:26,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:26,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-21 12:05:26,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:05:26,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1001 [2020-09-21 12:05:26,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:26,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:05:26,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:26,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 12:05:26,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:26,450 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:05:26,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:05:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:26,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:26,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:26,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:26,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:26,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-09-21 12:05:26,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:26,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:26,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:26,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:05:26,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:26,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:05:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:26,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:26,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:26,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:26,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:26,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:26,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:26,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:26,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:26,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:05:26,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:26,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:05:26,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:26,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:26,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:26,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:26,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:26,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:26,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:26,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:26,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:26,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:05:26,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:26,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:05:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:26,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:26,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:26,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:26,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:26,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:05:26,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:26,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:26,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:26,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:05:26,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:26,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:05:26,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:26,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:26,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:26,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:26,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:26,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:26,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:26,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:26,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:26,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:05:26,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:26,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:05:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:26,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:26,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:26,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:26,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:26,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:26,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:26,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:26,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:26,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:26,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:26,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 12:05:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:26,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:26,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:26,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:26,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:26,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:26,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:26,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:26,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:26,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:26,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:26,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:05:26,741 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1894453353] [2020-09-21 12:05:26,741 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:05:26,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:05:26,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357226380] [2020-09-21 12:05:26,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:05:26,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:05:26,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:05:26,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:05:26,743 INFO L87 Difference]: Start difference. First operand 96 states and 112 transitions. Second operand 4 states. [2020-09-21 12:05:27,046 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:05:28,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:05:28,151 INFO L93 Difference]: Finished difference Result 275 states and 344 transitions. [2020-09-21 12:05:28,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:05:28,152 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 12:05:28,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:05:28,155 INFO L225 Difference]: With dead ends: 275 [2020-09-21 12:05:28,156 INFO L226 Difference]: Without dead ends: 203 [2020-09-21 12:05:28,157 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:05:28,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2020-09-21 12:05:28,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 162. [2020-09-21 12:05:28,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-09-21 12:05:28,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 195 transitions. [2020-09-21 12:05:28,215 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 195 transitions. Word has length 51 [2020-09-21 12:05:28,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:05:28,216 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 195 transitions. [2020-09-21 12:05:28,216 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:05:28,216 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 195 transitions. [2020-09-21 12:05:28,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 12:05:28,218 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:05:28,218 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:05:28,219 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:05:28,219 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:05:28,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:05:28,219 INFO L82 PathProgramCache]: Analyzing trace with hash -1905735507, now seen corresponding path program 1 times [2020-09-21 12:05:28,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:05:28,220 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1766184162] [2020-09-21 12:05:28,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:05:28,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:28,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:29,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:29,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:29,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:29,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 12:05:29,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:05:29,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1038 [2020-09-21 12:05:29,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:29,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:05:29,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-09-21 12:05:29,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-21 12:05:29,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:29,675 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:05:29,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:05:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:29,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:29,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:29,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:29,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:29,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-21 12:05:29,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:29,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:29,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:29,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:29,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:29,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:05:29,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:29,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:29,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:29,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:29,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:29,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:29,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:29,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:29,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:29,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:29,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:29,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:05:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:29,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:29,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:29,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:29,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:29,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:29,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:29,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:29,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:29,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:29,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:29,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:05:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:29,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:29,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:29,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:29,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:29,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:29,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:29,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:29,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:29,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:29,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:29,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:05:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:29,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:29,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:29,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:29,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:29,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:29,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:29,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:29,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:29,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:29,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:29,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:05:29,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:29,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:29,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:29,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:05:29,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:29,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:29,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:29,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:29,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:29,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:29,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:29,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 12:05:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:29,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:29,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:29,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:29,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:29,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:05:29,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:29,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:29,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:29,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:05:29,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:29,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 12:05:29,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:29,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:29,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:29,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:29,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:29,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 12:05:29,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:29,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:05:29,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:29,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:05:29,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:29,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:05:29,927 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1766184162] [2020-09-21 12:05:29,928 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:05:29,928 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 12:05:29,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330653938] [2020-09-21 12:05:29,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 12:05:29,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:05:29,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 12:05:29,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:05:29,930 INFO L87 Difference]: Start difference. First operand 162 states and 195 transitions. Second operand 8 states. [2020-09-21 12:05:30,457 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:05:31,322 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:31,653 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:31,974 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:05:32,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:05:32,243 INFO L93 Difference]: Finished difference Result 282 states and 356 transitions. [2020-09-21 12:05:32,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:05:32,244 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-09-21 12:05:32,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:05:32,245 INFO L225 Difference]: With dead ends: 282 [2020-09-21 12:05:32,245 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:05:32,248 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-09-21 12:05:32,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:05:32,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:05:32,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:05:32,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:05:32,249 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 57 [2020-09-21 12:05:32,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:05:32,249 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:05:32,250 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 12:05:32,250 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:05:32,250 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:05:32,250 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:05:32,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:05:32,451 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:32,643 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:05:32,809 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:32,969 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:05:33,125 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:33,276 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:05:33,431 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:33,589 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:33,745 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:05:33,900 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:34,061 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:05:34,216 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:34,377 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:34,526 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:05:34,859 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:05:35,186 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:05:35,328 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:05:35,473 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:05:35,623 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:35,773 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:35,922 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:36,075 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:36,220 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:05:36,369 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:05:36,519 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:36,667 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:36,815 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:36,964 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:37,108 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:05:37,257 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:37,518 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:37,620 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 6 [2020-09-21 12:05:37,770 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:37,871 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 6 [2020-09-21 12:05:38,029 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:38,185 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:38,346 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:38,490 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:05:38,742 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:05:39,055 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:05:39,368 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:05:39,614 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:39,763 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:05:39,914 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:40,066 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:40,211 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:05:40,376 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:40,525 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:40,673 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:41,026 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 7 [2020-09-21 12:05:41,400 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 7 [2020-09-21 12:05:41,614 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:05:41,825 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:05:42,066 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:05:42,289 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:05:42,519 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:05:42,881 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-09-21 12:05:43,143 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:05:43,555 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 11 [2020-09-21 12:05:43,775 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:05:44,172 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-09-21 12:05:44,578 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-09-21 12:05:44,807 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:05:45,029 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:05:45,289 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:05:45,516 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:05:45,719 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:05:46,046 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-09-21 12:05:46,272 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:05:46,491 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:05:46,872 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 11 [2020-09-21 12:05:47,086 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:05:47,091 INFO L268 CegarLoopResult]: For program point L601(lines 601 605) no Hoare annotation was computed. [2020-09-21 12:05:47,092 INFO L268 CegarLoopResult]: For program point L601-1(lines 601 605) no Hoare annotation was computed. [2020-09-21 12:05:47,092 INFO L268 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2020-09-21 12:05:47,092 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 570 625) no Hoare annotation was computed. [2020-09-21 12:05:47,092 INFO L268 CegarLoopResult]: For program point L595-2(lines 595 616) no Hoare annotation was computed. [2020-09-21 12:05:47,092 INFO L268 CegarLoopResult]: For program point L617(lines 594 618) no Hoare annotation was computed. [2020-09-21 12:05:47,092 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 570 625) no Hoare annotation was computed. [2020-09-21 12:05:47,093 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 570 625) no Hoare annotation was computed. [2020-09-21 12:05:47,093 INFO L268 CegarLoopResult]: For program point L671(line 671) no Hoare annotation was computed. [2020-09-21 12:05:47,093 INFO L268 CegarLoopResult]: For program point L671-1(line 671) no Hoare annotation was computed. [2020-09-21 12:05:47,093 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 626 685) no Hoare annotation was computed. [2020-09-21 12:05:47,093 INFO L268 CegarLoopResult]: For program point L658(lines 658 662) no Hoare annotation was computed. [2020-09-21 12:05:47,094 INFO L268 CegarLoopResult]: For program point L658-1(lines 658 662) no Hoare annotation was computed. [2020-09-21 12:05:47,094 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 626 685) no Hoare annotation was computed. [2020-09-21 12:05:47,094 INFO L268 CegarLoopResult]: For program point L653(line 653) no Hoare annotation was computed. [2020-09-21 12:05:47,094 INFO L268 CegarLoopResult]: For program point L652-2(lines 652 677) no Hoare annotation was computed. [2020-09-21 12:05:47,094 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 626 685) no Hoare annotation was computed. [2020-09-21 12:05:47,094 INFO L268 CegarLoopResult]: For program point L678(lines 651 679) no Hoare annotation was computed. [2020-09-21 12:05:47,095 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 405 411) the Hoare annotation is: true [2020-09-21 12:05:47,095 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 405 411) no Hoare annotation was computed. [2020-09-21 12:05:47,095 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 412 420) no Hoare annotation was computed. [2020-09-21 12:05:47,095 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 412 420) the Hoare annotation is: true [2020-09-21 12:05:47,095 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 412 420) no Hoare annotation was computed. [2020-09-21 12:05:47,095 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 494 516) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:05:47,096 INFO L264 CegarLoopResult]: At program point L506(line 506) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:05:47,096 INFO L264 CegarLoopResult]: At program point L506-1(line 506) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:05:47,096 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 494 516) no Hoare annotation was computed. [2020-09-21 12:05:47,096 INFO L268 CegarLoopResult]: For program point L504(lines 504 511) no Hoare annotation was computed. [2020-09-21 12:05:47,096 INFO L268 CegarLoopResult]: For program point L504-1(lines 504 511) no Hoare annotation was computed. [2020-09-21 12:05:47,096 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-09-21 12:05:47,096 INFO L264 CegarLoopResult]: At program point L501(line 501) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:05:47,097 INFO L264 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:05:47,097 INFO L264 CegarLoopResult]: At program point L500-1(line 500) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:05:47,097 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 494 516) no Hoare annotation was computed. [2020-09-21 12:05:47,097 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 453 476) no Hoare annotation was computed. [2020-09-21 12:05:47,097 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 453 476) no Hoare annotation was computed. [2020-09-21 12:05:47,098 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 453 476) no Hoare annotation was computed. [2020-09-21 12:05:47,098 INFO L268 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-09-21 12:05:47,098 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-09-21 12:05:47,098 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-09-21 12:05:47,098 INFO L268 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-09-21 12:05:47,098 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-09-21 12:05:47,098 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-09-21 12:05:47,098 INFO L268 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-09-21 12:05:47,099 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-09-21 12:05:47,099 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-09-21 12:05:47,099 INFO L268 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-09-21 12:05:47,099 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-09-21 12:05:47,099 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-09-21 12:05:47,099 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-09-21 12:05:47,099 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-09-21 12:05:47,100 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 300 314) no Hoare annotation was computed. [2020-09-21 12:05:47,100 INFO L268 CegarLoopResult]: For program point L304(lines 304 310) no Hoare annotation was computed. [2020-09-21 12:05:47,100 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 300 314) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 12:05:47,100 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 300 314) no Hoare annotation was computed. [2020-09-21 12:05:47,100 INFO L264 CegarLoopResult]: At program point L306(line 306) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:05:47,100 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 255 263) no Hoare annotation was computed. [2020-09-21 12:05:47,100 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 255 263) the Hoare annotation is: true [2020-09-21 12:05:47,100 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 255 263) no Hoare annotation was computed. [2020-09-21 12:05:47,101 INFO L268 CegarLoopResult]: For program point L283(lines 283 291) no Hoare annotation was computed. [2020-09-21 12:05:47,101 INFO L268 CegarLoopResult]: For program point L283-2(lines 283 291) no Hoare annotation was computed. [2020-09-21 12:05:47,101 INFO L268 CegarLoopResult]: For program point L271(lines 271 279) no Hoare annotation was computed. [2020-09-21 12:05:47,101 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 264 299) no Hoare annotation was computed. [2020-09-21 12:05:47,101 INFO L268 CegarLoopResult]: For program point L271-2(lines 271 279) no Hoare annotation was computed. [2020-09-21 12:05:47,101 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 264 299) no Hoare annotation was computed. [2020-09-21 12:05:47,101 INFO L268 CegarLoopResult]: For program point L294(line 294) no Hoare annotation was computed. [2020-09-21 12:05:47,101 INFO L268 CegarLoopResult]: For program point L294-1(line 294) no Hoare annotation was computed. [2020-09-21 12:05:47,102 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 264 299) no Hoare annotation was computed. [2020-09-21 12:05:47,102 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 398 404) no Hoare annotation was computed. [2020-09-21 12:05:47,102 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 398 404) the Hoare annotation is: true [2020-09-21 12:05:47,102 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 524 569) no Hoare annotation was computed. [2020-09-21 12:05:47,102 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 524 569) no Hoare annotation was computed. [2020-09-21 12:05:47,102 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 524 569) no Hoare annotation was computed. [2020-09-21 12:05:47,102 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 837 882) no Hoare annotation was computed. [2020-09-21 12:05:47,102 INFO L268 CegarLoopResult]: For program point L857(lines 857 864) no Hoare annotation was computed. [2020-09-21 12:05:47,103 INFO L268 CegarLoopResult]: For program point L851(lines 851 871) no Hoare annotation was computed. [2020-09-21 12:05:47,103 INFO L268 CegarLoopResult]: For program point L851-1(lines 851 871) no Hoare annotation was computed. [2020-09-21 12:05:47,103 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 837 882) no Hoare annotation was computed. [2020-09-21 12:05:47,103 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 837 882) no Hoare annotation was computed. [2020-09-21 12:05:47,103 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 484 493) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:05:47,103 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 484 493) no Hoare annotation was computed. [2020-09-21 12:05:47,103 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 484 493) no Hoare annotation was computed. [2020-09-21 12:05:47,103 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 244 254) the Hoare annotation is: true [2020-09-21 12:05:47,104 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 244 254) no Hoare annotation was computed. [2020-09-21 12:05:47,104 INFO L271 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: true [2020-09-21 12:05:47,104 INFO L268 CegarLoopResult]: For program point L249-1(line 249) no Hoare annotation was computed. [2020-09-21 12:05:47,104 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 244 254) no Hoare annotation was computed. [2020-09-21 12:05:47,104 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 236 243) the Hoare annotation is: true [2020-09-21 12:05:47,104 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 236 243) no Hoare annotation was computed. [2020-09-21 12:05:47,104 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 236 243) no Hoare annotation was computed. [2020-09-21 12:05:47,105 INFO L264 CegarLoopResult]: At program point L222(line 222) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:05:47,105 INFO L268 CegarLoopResult]: For program point L222-1(lines 203 227) no Hoare annotation was computed. [2020-09-21 12:05:47,105 INFO L264 CegarLoopResult]: At program point L217(line 217) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:05:47,105 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 203 227) no Hoare annotation was computed. [2020-09-21 12:05:47,105 INFO L264 CegarLoopResult]: At program point L213(line 213) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:05:47,105 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 203 227) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:05:47,105 INFO L268 CegarLoopResult]: For program point L211(lines 211 219) no Hoare annotation was computed. [2020-09-21 12:05:47,106 INFO L264 CegarLoopResult]: At program point L209(line 209) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:05:47,106 INFO L268 CegarLoopResult]: For program point L209-1(line 209) no Hoare annotation was computed. [2020-09-21 12:05:47,106 INFO L268 CegarLoopResult]: For program point L207(lines 207 224) no Hoare annotation was computed. [2020-09-21 12:05:47,106 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 195 201) no Hoare annotation was computed. [2020-09-21 12:05:47,106 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 195 201) the Hoare annotation is: true [2020-09-21 12:05:47,106 INFO L264 CegarLoopResult]: At program point testENTRY(lines 317 382) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:05:47,106 INFO L264 CegarLoopResult]: At program point L349(line 349) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:05:47,107 INFO L268 CegarLoopResult]: For program point L347(lines 347 353) no Hoare annotation was computed. [2020-09-21 12:05:47,107 INFO L268 CegarLoopResult]: For program point L347-1(lines 347 353) no Hoare annotation was computed. [2020-09-21 12:05:47,107 INFO L268 CegarLoopResult]: For program point testFINAL(lines 317 382) no Hoare annotation was computed. [2020-09-21 12:05:47,107 INFO L264 CegarLoopResult]: At program point L372(lines 327 374) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:05:47,107 INFO L264 CegarLoopResult]: At program point L339(line 339) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:05:47,107 INFO L268 CegarLoopResult]: For program point L337(lines 337 343) no Hoare annotation was computed. [2020-09-21 12:05:47,107 INFO L268 CegarLoopResult]: For program point L337-1(lines 337 343) no Hoare annotation was computed. [2020-09-21 12:05:47,108 INFO L268 CegarLoopResult]: For program point L329(lines 329 333) no Hoare annotation was computed. [2020-09-21 12:05:47,108 INFO L264 CegarLoopResult]: At program point L375(lines 326 376) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:05:47,108 INFO L264 CegarLoopResult]: At program point L365(line 365) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:05:47,108 INFO L268 CegarLoopResult]: For program point L363(lines 363 369) no Hoare annotation was computed. [2020-09-21 12:05:47,108 INFO L264 CegarLoopResult]: At program point L363-1(lines 357 370) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:05:47,108 INFO L268 CegarLoopResult]: For program point L328(lines 327 374) no Hoare annotation was computed. [2020-09-21 12:05:47,108 INFO L268 CegarLoopResult]: For program point L357(lines 357 370) no Hoare annotation was computed. [2020-09-21 12:05:47,108 INFO L268 CegarLoopResult]: For program point testEXIT(lines 317 382) no Hoare annotation was computed. [2020-09-21 12:05:47,109 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 791 836) no Hoare annotation was computed. [2020-09-21 12:05:47,109 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 791 836) no Hoare annotation was computed. [2020-09-21 12:05:47,109 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 791 836) no Hoare annotation was computed. [2020-09-21 12:05:47,109 INFO L268 CegarLoopResult]: For program point L811(lines 811 818) no Hoare annotation was computed. [2020-09-21 12:05:47,109 INFO L268 CegarLoopResult]: For program point L805(lines 805 825) no Hoare annotation was computed. [2020-09-21 12:05:47,109 INFO L268 CegarLoopResult]: For program point L805-1(lines 805 825) no Hoare annotation was computed. [2020-09-21 12:05:47,109 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2020-09-21 12:05:47,109 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2020-09-21 12:05:47,110 INFO L268 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-09-21 12:05:47,110 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2020-09-21 12:05:47,110 INFO L268 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-09-21 12:05:47,110 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 388 397) no Hoare annotation was computed. [2020-09-21 12:05:47,110 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 388 397) no Hoare annotation was computed. [2020-09-21 12:05:47,110 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 388 397) no Hoare annotation was computed. [2020-09-21 12:05:47,110 INFO L268 CegarLoopResult]: For program point L737-2(lines 737 757) no Hoare annotation was computed. [2020-09-21 12:05:47,111 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 688 790) no Hoare annotation was computed. [2020-09-21 12:05:47,111 INFO L268 CegarLoopResult]: For program point L758(lines 736 759) no Hoare annotation was computed. [2020-09-21 12:05:47,111 INFO L268 CegarLoopResult]: For program point L717(lines 717 733) no Hoare annotation was computed. [2020-09-21 12:05:47,111 INFO L268 CegarLoopResult]: For program point L777(lines 777 784) no Hoare annotation was computed. [2020-09-21 12:05:47,111 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 688 790) no Hoare annotation was computed. [2020-09-21 12:05:47,111 INFO L268 CegarLoopResult]: For program point L738(lines 737 757) no Hoare annotation was computed. [2020-09-21 12:05:47,111 INFO L268 CegarLoopResult]: For program point L769(line 769) no Hoare annotation was computed. [2020-09-21 12:05:47,111 INFO L268 CegarLoopResult]: For program point L769-1(line 769) no Hoare annotation was computed. [2020-09-21 12:05:47,112 INFO L268 CegarLoopResult]: For program point L734(lines 734 775) no Hoare annotation was computed. [2020-09-21 12:05:47,112 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 688 790) no Hoare annotation was computed. [2020-09-21 12:05:47,112 INFO L268 CegarLoopResult]: For program point L753(line 753) no Hoare annotation was computed. [2020-09-21 12:05:47,112 INFO L268 CegarLoopResult]: For program point L753-1(line 753) no Hoare annotation was computed. [2020-09-21 12:05:47,112 INFO L268 CegarLoopResult]: For program point L712(lines 712 716) no Hoare annotation was computed. [2020-09-21 12:05:47,112 INFO L268 CegarLoopResult]: For program point L776(lines 776 787) no Hoare annotation was computed. [2020-09-21 12:05:47,112 INFO L268 CegarLoopResult]: For program point L739(lines 739 743) no Hoare annotation was computed. [2020-09-21 12:05:47,113 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:05:47,113 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-09-21 12:05:47,113 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:05:47,113 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 228 235) no Hoare annotation was computed. [2020-09-21 12:05:47,113 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 228 235) no Hoare annotation was computed. [2020-09-21 12:05:47,114 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 228 235) no Hoare annotation was computed. [2020-09-21 12:05:47,114 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 116 124) no Hoare annotation was computed. [2020-09-21 12:05:47,114 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2020-09-21 12:05:47,114 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2020-09-21 12:05:47,114 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:05:47,114 INFO L268 CegarLoopResult]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2020-09-21 12:05:47,114 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2020-09-21 12:05:47,114 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:05:47,115 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:05:47,115 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:05:47,115 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2020-09-21 12:05:47,115 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2020-09-21 12:05:47,115 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2020-09-21 12:05:47,115 INFO L264 CegarLoopResult]: At program point L184(line 184) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:05:47,115 INFO L264 CegarLoopResult]: At program point L182(lines 182 188) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:05:47,116 INFO L264 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:05:47,116 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 171 194) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:05:47,116 INFO L268 CegarLoopResult]: For program point L175(lines 174 193) no Hoare annotation was computed. [2020-09-21 12:05:47,116 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 171 194) no Hoare annotation was computed. [2020-09-21 12:05:47,116 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 171 194) no Hoare annotation was computed. [2020-09-21 12:05:47,116 INFO L271 CegarLoopResult]: At program point L448(lines 423 452) the Hoare annotation is: true [2020-09-21 12:05:47,116 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 423 452) no Hoare annotation was computed. [2020-09-21 12:05:47,116 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 423 452) the Hoare annotation is: true [2020-09-21 12:05:47,117 INFO L268 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-09-21 12:05:47,117 INFO L268 CegarLoopResult]: For program point L437(lines 437 441) no Hoare annotation was computed. [2020-09-21 12:05:47,117 INFO L271 CegarLoopResult]: At program point L437-1(lines 437 441) the Hoare annotation is: true [2020-09-21 12:05:47,117 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-09-21 12:05:47,117 INFO L271 CegarLoopResult]: At program point L433-2(lines 433 447) the Hoare annotation is: true [2020-09-21 12:05:47,117 INFO L271 CegarLoopResult]: At program point L429(line 429) the Hoare annotation is: true [2020-09-21 12:05:47,117 INFO L268 CegarLoopResult]: For program point L429-1(line 429) no Hoare annotation was computed. [2020-09-21 12:05:47,117 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2020-09-21 12:05:47,118 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2020-09-21 12:05:47,118 INFO L268 CegarLoopResult]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2020-09-21 12:05:47,118 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 477 483) no Hoare annotation was computed. [2020-09-21 12:05:47,118 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 477 483) the Hoare annotation is: true [2020-09-21 12:05:47,118 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:05:47,118 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 12:05:47,118 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:05:47,119 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:05:47,119 INFO L268 CegarLoopResult]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2020-09-21 12:05:47,119 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2020-09-21 12:05:47,119 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:05:47,119 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 154 161) no Hoare annotation was computed. [2020-09-21 12:05:47,119 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 158) no Hoare annotation was computed. [2020-09-21 12:05:47,119 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 154 161) the Hoare annotation is: true [2020-09-21 12:05:47,120 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 154 161) no Hoare annotation was computed. [2020-09-21 12:05:47,120 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 128 152) the Hoare annotation is: true [2020-09-21 12:05:47,120 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 128 152) no Hoare annotation was computed. [2020-09-21 12:05:47,120 INFO L264 CegarLoopResult]: At program point L142(line 142) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 12:05:47,120 INFO L268 CegarLoopResult]: For program point L140(lines 140 146) no Hoare annotation was computed. [2020-09-21 12:05:47,120 INFO L271 CegarLoopResult]: At program point L138(line 138) the Hoare annotation is: true [2020-09-21 12:05:47,120 INFO L268 CegarLoopResult]: For program point L138-1(line 138) no Hoare annotation was computed. [2020-09-21 12:05:47,120 INFO L268 CegarLoopResult]: For program point L136(lines 136 149) no Hoare annotation was computed. [2020-09-21 12:05:47,121 INFO L268 CegarLoopResult]: For program point L136-1(lines 128 152) no Hoare annotation was computed. [2020-09-21 12:05:47,121 INFO L271 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: true [2020-09-21 12:05:47,121 INFO L268 CegarLoopResult]: For program point L134-1(line 134) no Hoare annotation was computed. [2020-09-21 12:05:47,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:05:47 BoogieIcfgContainer [2020-09-21 12:05:47,141 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:05:47,143 INFO L168 Benchmark]: Toolchain (without parser) took 30537.46 ms. Allocated memory was 116.4 MB in the beginning and 537.9 MB in the end (delta: 421.5 MB). Free memory was 73.2 MB in the beginning and 429.7 MB in the end (delta: -356.5 MB). Peak memory consumption was 375.6 MB. Max. memory is 7.1 GB. [2020-09-21 12:05:47,144 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 116.4 MB. Free memory was 91.8 MB in the beginning and 91.7 MB in the end (delta: 105.2 kB). Peak memory consumption was 105.2 kB. Max. memory is 7.1 GB. [2020-09-21 12:05:47,145 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.24 ms. Allocated memory was 116.4 MB in the beginning and 168.8 MB in the end (delta: 52.4 MB). Free memory was 72.6 MB in the beginning and 146.1 MB in the end (delta: -73.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2020-09-21 12:05:47,145 INFO L168 Benchmark]: Boogie Preprocessor took 107.21 ms. Allocated memory is still 168.8 MB. Free memory was 146.1 MB in the beginning and 141.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:05:47,146 INFO L168 Benchmark]: RCFGBuilder took 1176.49 ms. Allocated memory was 168.8 MB in the beginning and 186.6 MB in the end (delta: 17.8 MB). Free memory was 141.9 MB in the beginning and 132.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 56.8 MB. Max. memory is 7.1 GB. [2020-09-21 12:05:47,147 INFO L168 Benchmark]: TraceAbstraction took 28541.69 ms. Allocated memory was 186.6 MB in the beginning and 537.9 MB in the end (delta: 351.3 MB). Free memory was 132.7 MB in the beginning and 429.7 MB in the end (delta: -297.0 MB). Peak memory consumption was 364.9 MB. Max. memory is 7.1 GB. [2020-09-21 12:05:47,151 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 116.4 MB. Free memory was 91.8 MB in the beginning and 91.7 MB in the end (delta: 105.2 kB). Peak memory consumption was 105.2 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 704.24 ms. Allocated memory was 116.4 MB in the beginning and 168.8 MB in the end (delta: 52.4 MB). Free memory was 72.6 MB in the beginning and 146.1 MB in the end (delta: -73.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.21 ms. Allocated memory is still 168.8 MB. Free memory was 146.1 MB in the beginning and 141.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1176.49 ms. Allocated memory was 168.8 MB in the beginning and 186.6 MB in the end (delta: 17.8 MB). Free memory was 141.9 MB in the beginning and 132.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 56.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28541.69 ms. Allocated memory was 186.6 MB in the beginning and 537.9 MB in the end (delta: 351.3 MB). Free memory was 132.7 MB in the beginning and 429.7 MB in the end (delta: -297.0 MB). Peak memory consumption was 364.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 158]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 423]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || (splverifierCounter <= 0 && pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 210 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.5s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 6.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 364 SDtfs, 434 SDslu, 144 SDs, 0 SdLazy, 734 SolverSat, 256 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 83 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=162occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 98 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 225 PreInvPairs, 248 NumberOfFragments, 581 HoareAnnotationTreeSize, 225 FomulaSimplifications, 8422 FormulaSimplificationTreeSizeReduction, 8.4s HoareSimplificationTime, 51 FomulaSimplificationsInter, 7670 FormulaSimplificationTreeSizeReductionInter, 6.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 201 NumberOfCodeBlocks, 201 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 197 ConstructedInterpolants, 0 QuantifiedInterpolants, 50764 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...